Update copy when snippet git feature disabled

app/controllers/repositories/git_http_controller.rb

@@ -121,7 +121,7 @@ module Repositories
     def snippet_request_allowed?
       if repo_type.snippet? && Feature.disabled?(:version_snippets, user)
         Gitlab::AppLogger.info('Snippet access attempt with feature disabled')
-        render plain: 'The project you were looking for could not be found.', status: :not_found
+        render plain: 'Snippet git access is disabled.', status: :forbidden
       end
     end
   end

changelogs/unreleased/fj-replace-snippet-git-message.yml

+---
+title: Update copy when snippet git feature disabled
+merge_request: 28913
+author:
+type: changed

lib/api/internal/base.rb

@@ -109,7 +109,7 @@ module API
         #     group resources based on its IP restrictions
         post "/allowed" do
           if repo_type.snippet? && Feature.disabled?(:version_snippets, actor.user)
-            break response_with_status(code: 404, success: false, message: 'The project you were looking for could not be found.')
+            break response_with_status(code: 401, success: false, message: 'Snippet git access is disabled.')
           end
 
           # It was moved to a separate method so that EE can alter its behaviour more

spec/controllers/repositories/git_http_controller_spec.rb

@@ -145,13 +145,13 @@ describe Repositories::GitHttpController do
     describe 'GET #info_refs' do
       let(:params) { container_params.merge(service: 'git-upload-pack') }
 
-      it 'returns 404' do
+      it 'returns 403' do
         expect(controller).not_to receive(:access_check)
 
         get :info_refs, params: params
 
-        expect(response).to have_gitlab_http_status(:not_found)
-        expect(response.body).to eq "The project you were looking for could not be found."
+        expect(response).to have_gitlab_http_status(:forbidden)
+        expect(response.body).to eq 'Snippet git access is disabled.'
       end
     end
 
@@ -162,13 +162,13 @@ describe Repositories::GitHttpController do
         allow(controller).to receive(:access_check).and_return(nil)
       end
 
-      it 'returns 404' do
+      it 'returns 403' do
         expect(controller).not_to receive(:access_check)
 
         post :git_upload_pack, params: params
 
-        expect(response).to have_gitlab_http_status(:not_found)
-        expect(response.body).to eq "The project you were looking for could not be found."
+        expect(response).to have_gitlab_http_status(:forbidden)
+        expect(response.body).to eq 'Snippet git access is disabled.'
       end
     end
   end

spec/requests/api/internal/base_spec.rb

@@ -325,12 +325,12 @@ describe API::Internal::Base do
 
       shared_examples 'snippets with disabled feature flag' do
         context 'when feature flag :version_snippets is disabled' do
-          it 'returns 404' do
+          it 'returns 401' do
             stub_feature_flags(version_snippets: false)
 
             subject
 
-            expect(response).to have_gitlab_http_status(:not_found)
+            expect(response).to have_gitlab_http_status(:unauthorized)
           end
         end
       end